Analysis of fourth-grade fluid model over a stretchable surface with Riga plate subject to permeable medium. - Bian Hua; Faisal Shah; Muhammad Ijaz Khan; Essam Roshdy El-Zahar; Shahid Farooq; Sami Ullah Khan; Kamel Guedri; Wen-jing Wu (J. Comput. Des. Eng., 2022)